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| ## page was renamed from HowToParallel <<TableOfContents>> = ParallelHowTo = === Portland Compiler === It is possible to run CLaMS on multi-processor machines using MPI or OpenMP. On the Ubuntu machines the PGF compiler suite is installed that has MPICH implemented. In the following a short How to: First it is necessary to make the path of the MPI libraries public by executing: for 64bit machines: {{{ . /opt/pgi/linux86-64/10.4/mpi.sh }}} for 32bit machines: {{{ . /opt/pgi/linux86/10.4/mpi.sh }}} Then compile the needed programs by executing: {{{ make useMPI=true }}} Before running the CLaMS script or a single program you have to execute: {{{ ssh-add }}} This is necessary, because the processes communicate per ssh. The programs must be called as following: {{{ mpirun -np # program # - number of processors }}} |
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| === Intel Compiler === | ## page was renamed from HowToParallel == ParallelHowTo == |
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| The MPICH2 Library (1.3.2p1) is installed in directory ''/usr/local/icg/icg1/local/mpich2-intel'' (for Intel C and Fortran compilers). | <<TableOfContents>> |
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| Add the bin subdirectory of the installation directory to your path: {{{ PATH=/usr/local/icg/icg1/local/mpich2-intel/bin:$PATH |
It is possible to run CLaMS on multi-processor machines using MPI. === Intel Compiler 18.0.3 === The MPICH Library 3.2.1 is installed in directory ''/usr/nfs/software/icg1/local/mpich-3.2.1-ifort-18.0.3''. <<BR>> Add the bin subdirectory of the installation directory of MPICH library to your path: {{{ PATH=/usr/nfs/software/icg1/local/mpich-3.2.1-ifort-18.0.3/bin:$PATH |
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| To read the man pages set MANPATH to the following: {{{ MANPATH=/usr/local/icg/icg1/local/mpich2-intel/share/man:$MANPATH export MANPATH |
Remove serial compiled object files: {{{ make distclean |
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| The programs can be compiled with: {{{ make useComp=ifc useMPI=true <progname> |
Compile with MPI: {{{ make useMPI=true progname |
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| Execute on <n> CPUs: {{{ mpiexec -np <n> <progname> |
Execute on <n> CPUs: {{{ mpiexec|mpirun -np <n> <progname> |
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=== Intel Compiler 17.0.1 === The MPICH Library 3.2 is installed in directory ''/usr/nfs/software/icg1/local/mpich-3.2-ifort-17.0.1''. <<BR>> Add the bin subdirectory of the installation directory of MPICH library to your path: {{{ PATH=/usr/nfs/software/icg1/local/mpich-3.2-ifort-17.0.1/bin:$PATH export PATH }}} Remove serial compiled object files: {{{ make distclean }}} Compile with MPI: {{{ make useMPI=true progname }}} Execute on <n> CPUs: {{{ mpiexec|mpirun -np <n> <progname> }}} |
ParallelHowTo
It is possible to run CLaMS on multi-processor machines using MPI.
Intel Compiler 18.0.3
The MPICH Library 3.2.1 is installed in directory /usr/nfs/software/icg1/local/mpich-3.2.1-ifort-18.0.3.
- Add the bin subdirectory of the installation directory of MPICH library to your path:
PATH=/usr/nfs/software/icg1/local/mpich-3.2.1-ifort-18.0.3/bin:$PATH export PATH
Remove serial compiled object files:make distclean
Compile with MPI:make useMPI=true progname
Execute on <n> CPUs:
mpiexec|mpirun -np <n> <progname>
Intel Compiler 17.0.1
The MPICH Library 3.2 is installed in directory /usr/nfs/software/icg1/local/mpich-3.2-ifort-17.0.1.
- Add the bin subdirectory of the installation directory of MPICH library to your path:
PATH=/usr/nfs/software/icg1/local/mpich-3.2-ifort-17.0.1/bin:$PATH export PATH
Remove serial compiled object files:make distclean
Compile with MPI:make useMPI=true progname
Execute on <n> CPUs:
mpiexec|mpirun -np <n> <progname>